问题
多项选择题
与瓷或玻璃绝缘子相比，硅橡胶复合绝缘子的优点是（）。
A.耐污闪；
B.运行维护费用低；
C.耐湿闪；
D.有用于高电压等级优势。
答案
参考答案：A, B, C, D
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与瓷或玻璃绝缘子相比，硅橡胶复合绝缘子的优点是（）。
A.耐污闪；
B.运行维护费用低；
C.耐湿闪；
D.有用于高电压等级优势。
参考答案：A, B, C, D
| Read and choose. （读短文，选择正确的答案） | |||
| Welcome l our school! This is a 2 room, we often sing and dance here. Next to the music room, there is a 3 room. I like TV room best. It's on the second 4 . That is our 5 . We often read story-books in it. And we also have a big computer room on the third floor. I love my beautiful school. | |||
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